PIN code 691584 belongs to Vadakkumbhagom BO (Branch Post Office), located in Kollam district, Kerala. It falls under the Southern Postal Region and is served by 2 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Vadakkumbhagom BO | BO | Branch Post Office |
| Chavara South SO | SO | Sub Post Office |
